package test;
import java.io.*;
import java.util.List;
import javax.xml.stream.*;
import org.codehaus.stax2.LocationInfo;
import org.codehaus.stax2.XMLInputFactory2;
import org.codehaus.stax2.XMLStreamReader2;
// import org.codehaus.stax2.io.Stax2ByteArraySource;
/**
* Simple helper test class for checking how stream reader handles xml
* documents.
*/
public class TestStreamReader
implements XMLStreamConstants
{
protected TestStreamReader() {
}
protected XMLInputFactory getFactory()
{
System.setProperty("javax.xml.stream.XMLInputFactory",
"com.fasterxml.aalto.stax.InputFactoryImpl");
XMLInputFactory f = XMLInputFactory.newInstance();
System.out.println("Factory instance: "+f.getClass());
//f.setProperty(XMLInputFactory.IS_COALESCING, Boolean.FALSE);
f.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
f.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
//f.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.FALSE);
f.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES,
Boolean.FALSE
//Boolean.TRUE
);
f.setProperty(XMLInputFactory.SUPPORT_DTD, Boolean.TRUE);
//f.setProperty(XMLInputFactory.SUPPORT_DTD, Boolean.FALSE);
f.setProperty(XMLInputFactory.IS_VALIDATING, Boolean.FALSE);
//f.setProperty(XMLInputFactory.IS_VALIDATING, Boolean.TRUE);
return f;
}
@SuppressWarnings("unchecked")
protected int test(File file)
throws Exception
{
XMLInputFactory f = getFactory();
System.out.print("Coalesce: "+f.getProperty(XMLInputFactory.IS_COALESCING));
System.out.println(", NS-aware: "+f.getProperty(XMLInputFactory.IS_NAMESPACE_AWARE));
System.out.print("Entity-expanding: "+f.getProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES));
System.out.println(", validating: "+f.getProperty(XMLInputFactory.IS_VALIDATING));
//System.out.println(", name interning: "+f.getProperty(XMLInputFactory2.P_INTERN_NAMES));
int total = 0;
XMLStreamReader2 sr;
// Let's deal with gzipped files too?
/*
if (file.getName().endsWith(".gz")) {
System.out.println("[gzipped input file!]");
sr = f.createXMLStreamReader
(new InputStreamReader(new GZIPInputStream
(new FileInputStream(file)), "UTF-8"));
} else {
sr = f.createXMLStreamReader(new FileInputStream(file));
//sr = f.createXMLStreamReader(new FileReader(file));
}
*/
/*
{
byte[] data = readData(file);
sr = f.createXMLStreamReader(new Stax2ByteArraySource(data, 0, data.length));
System.out.println("File '"+file+"', read "+data.length+" bytes in.");
}
*/
sr = (XMLStreamReader2) f.createXMLStreamReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
//sr = f.createXMLStreamReader(new FileInputStream(file));
System.out.println("SR; name interning: "+sr.getProperty(XMLInputFactory2.P_INTERN_NAMES));
System.out.println("SR; URI interning: "+sr.getProperty(XMLInputFactory2.P_INTERN_NS_URIS));
int type = sr.getEventType();
System.out.println("START: version = '"+sr.getVersion()
+"', xml-encoding = '"+sr.getCharacterEncodingScheme()
+"', input encoding = '"+sr.getEncoding()+"'");
while (type != END_DOCUMENT) {
type = sr.next();
total += type; // so it won't be optimized out...
//boolean hasName = sr.hasName();
System.out.print("["+type+"]");
if (sr.hasText()) {
String text = sr.getText();
total += text.length(); // to prevent dead code elimination
if (type == CHARACTERS || type == CDATA || type == COMMENT) {
System.out.println(" Text("+text.length()+" = '"+text+"'.");
if (text.length() >= 1) {
System.out.println(" [first char code: 0x"+Integer.toHexString(text.charAt(0))+"]");
}
LocationInfo li = sr.getLocationInfo();
System.out.println(" [Loc, start: "+li.getStartLocation()+", end: "+li.getEndLocation()+"]");
} else if (type == SPACE) {
System.out.print(" Ws = '"+text+"'.");
char c = (text.length() == 0) ? ' ': text.charAt(text.length()-1);
if (c != '\r' && c != '\n') {
System.out.println();
}
} else if (type == DTD) {
System.out.println(" DTD;");
List<Object> entities = (List<Object>) sr.getProperty("javax.xml.stream.entities");
List<Object> notations = (List<Object>) sr.getProperty("javax.xml.stream.notations");
int entCount = (entities == null) ? -1 : entities.size();
int notCount = (notations == null) ? -1 : notations.size();
System.out.print(" ("+entCount+" entities, "+notCount
+" notations), sysid ");
System.out.print(", declaration = <<");
System.out.print(text);
System.out.println(">>");
} else if (type == ENTITY_REFERENCE) {
// entity ref
System.out.println(" Entity ref: &"+sr.getLocalName()+" -> '"+sr.getText()+"'.");
//hasName = false; // to suppress further output
} else { // PI?
;
}
}
if (type == PROCESSING_INSTRUCTION) {
System.out.println(" PI target = '"+sr.getPITarget()+"'.");
System.out.println(" PI data = '"+sr.getPIData()+"'.");
} else if (type == START_ELEMENT) {
String prefix = sr.getPrefix();
System.out.print('<');
if (prefix != null && prefix.length() > 0) {
System.out.print(prefix);
System.out.print(':');
}
System.out.print(sr.getLocalName());
//System.out.println("[first char 0x"+Integer.toHexString(sr.getLocalName().charAt(0))+"]");
System.out.print(" [QNameNS: "+sr.getName().getNamespaceURI()+"]");
System.out.print(" {ns '");
System.out.print(sr.getNamespaceURI());
System.out.print("'}> ");
int count = sr.getAttributeCount();
int nsCount = sr.getNamespaceCount();
System.out.println(" ["+nsCount+" ns, "+count+" attrs]");
// debugging:
for (int i = 0; i < nsCount; ++i) {
System.out.println(" ns#"+i+": '"+sr.getNamespacePrefix(i)
+"' -> '"+sr.getNamespaceURI(i)
+"'");
}
for (int i = 0; i < count; ++i) {
String val = sr.getAttributeValue(i);
System.out.print(" attr#"+i+": "+sr.getAttributePrefix(i)
+":"+sr.getAttributeLocalName(i)
+" ("+sr.getAttributeNamespace(i)
+") -> '"+val
+"' ["+(val.length())+"]");
System.out.println(sr.isAttributeSpecified(i) ?
"[specified]" : "[Default]");
}
} else if (type == END_ELEMENT) {
System.out.print("</");
String prefix = sr.getPrefix();
if (prefix != null && prefix.length() > 0) {
System.out.print(prefix);
System.out.print(':');
}
System.out.print(sr.getLocalName());
System.out.print(" {ns '");
System.out.print(sr.getNamespaceURI());
System.out.print("'}> ");
int nsCount = sr.getNamespaceCount();
System.out.println(" ["+nsCount+" ns unbound]");
} else if (type == START_DOCUMENT) { // only for multi-doc mode
System.out.print("XML-DECL: version = '"+sr.getVersion()
+"', xml-decl-encoding = '"+sr.getCharacterEncodingScheme()
+"', app-encoding = '"+sr.getEncoding()
+"', stand-alone set: "+sr.standaloneSet());
}
}
return total;
}
public static void main(String[] args)
throws Exception
{
if (args.length != 1) {
System.err.println("Usage: java ... "+TestStreamReader.class+" [file]");
System.exit(1);
}
try {
int total = new TestStreamReader().test(new File(args[0]));
System.out.println();
System.out.println("Total: "+total);
} catch (Throwable t) {
System.err.println("Error: "+t);
t.printStackTrace();
}
}
}